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Magnetic-core memory is a form of random-access computer memory. It predominated for roughly 20 years between 1955 and 1975, and is often just called core memory, or, informally, core . Core memory uses toroids (rings) of a hard magnetic material (usually a semi-hard ferrite ). Each core stores one bit of information.
Test tube racks are laboratory equipment used to hold upright multiple test tubes at the same time. They are most commonly used when various different solutions are needed to work with simultaneously, for safety reasons, for safe storage of test tubes, and to ease the transport of multiple tubes. Test tube racks also ease the organization of ...
A vacuum-tube computer, now termed a first-generation computer, is a computer that uses vacuum tubes for logic circuitry. While the history of mechanical aids to computation goes back centuries, if not millennia, the history of vacuum tube computers is confined to the middle of the 20th century. Lee De Forest invented the triode in 1906.
Beryllium copper (BeCu), also known as copper beryllium (CuBe), beryllium bronze, and spring copper, is a copper alloy with 0.5–3% beryllium. Copper beryllium alloys are often used because of their high strength and good conductivity of both heat and electricity. It is used for its ductility, weldability in metalworking, and machining properties
Shop it: Honey-Can-Do Ornament Storage Box, $37 (was $50), qvc.com This products is sheer genius in its simplicity: It's a cube featuring 120 honeycomb-esque compartments, each a nestling pod for ...
GameCube composite video cable. The composite video cable, or AV cable, is included with the GameCube. It provides clearer and sharper picture quality and audio than an RF Switch. It is identical to earlier A/V cables. It carries dual-channel (stereo) audio and composite video at 576i /50 Hz (PAL) or 480i /60 Hz (NTSC/PAL60).
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